: A popular racing game for the Nintendo Wii. In this context, "compression" might refer to the game's (like rksys.dat ) or how its soundtrack was composed and stored. Mario Kart World : A newer title for the Nintendo Switch 2.
refers primarily to a legacy lossless audio format created by Michael K. Weise and the associated software, mkw Audio Compression Tool (mkwACT) . While the format is now considered niche or "legacy" compared to modern standards like FLAC, it holds a significant place in digital audio history, particularly within the live music trading community. What is MKW Compression? mkw compression